CA1106950A - Optical display arrangements - Google Patents

Optical display arrangements

Info

Publication number
CA1106950A
CA1106950A CA296,691A CA296691A CA1106950A CA 1106950 A CA1106950 A CA 1106950A CA 296691 A CA296691 A CA 296691A CA 1106950 A CA1106950 A CA 1106950A
Authority
CA
Canada
Prior art keywords
light
arrangement
medium
fluorescent
liquid crystal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA296,691A
Other languages
English (en)
French (fr)
Inventor
Gunter Baur
Waldemar Greubel
Hans Kruger
Alois Schauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of CA1106950A publication Critical patent/CA1106950A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133617Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K2/00Non-electric light sources using luminescence; Light sources using electrochemiluminescence
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13725Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on guest-host interaction

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electric Clocks (AREA)
CA296,691A 1977-02-15 1978-02-10 Optical display arrangements Expired CA1106950A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2706355.4 1977-02-15
DE2706355A DE2706355C2 (de) 1977-02-15 1977-02-15 Anzeige-Anordnung mit einem Lichtventil, insbesondere einer Flfissigkristallzelle

Publications (1)

Publication Number Publication Date
CA1106950A true CA1106950A (en) 1981-08-11

Family

ID=6001243

Family Applications (1)

Application Number Title Priority Date Filing Date
CA296,691A Expired CA1106950A (en) 1977-02-15 1978-02-10 Optical display arrangements

Country Status (12)

Country Link
US (1) US4240711A (enrdf_load_stackoverflow)
JP (1) JPS53101998A (enrdf_load_stackoverflow)
AT (1) AT354535B (enrdf_load_stackoverflow)
BE (1) BE863989A (enrdf_load_stackoverflow)
CA (1) CA1106950A (enrdf_load_stackoverflow)
CH (1) CH608644A5 (enrdf_load_stackoverflow)
DE (1) DE2706355C2 (enrdf_load_stackoverflow)
FR (1) FR2380565A1 (enrdf_load_stackoverflow)
GB (1) GB1585753A (enrdf_load_stackoverflow)
IT (1) IT1092685B (enrdf_load_stackoverflow)
NL (1) NL7801666A (enrdf_load_stackoverflow)
SE (1) SE7801775L (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2809554A (en) * 1954-07-16 1957-10-15 Zeiss Carl Microscope objective with low magnification for epi-microscopes
DE2706405C3 (de) * 1977-02-15 1985-08-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen Anzeigeanordnung zur Darstellung von hellen Bildern vor dunklem Hintergrund
CH633381A5 (de) * 1978-12-20 1982-11-30 Bbc Brown Boveri & Cie Elektrooptische anzeige mit reflektor.
DE2927100A1 (de) * 1979-07-04 1981-01-08 Siemens Ag Anordnung zur helligkeitsverstaerkung von passiven anzeigevorrichtungen
US4518225A (en) * 1983-04-11 1985-05-21 Rockwell International Corporation Multicolored liquid crystal displays utilizing photoluminescent transflectors and mask
US4636807A (en) * 1986-03-14 1987-01-13 The Mead Corporation Apparatus and method for light value gray scale recording
US4641925A (en) * 1986-03-20 1987-02-10 Motorola, Inc. Liquid crystal display assembly with phosphorescent backlighting
US5416575A (en) * 1991-11-18 1995-05-16 Schwartz; Mark Method and system for calibrating an optical density measurement apparatus

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551026A (en) * 1965-04-26 1970-12-29 Rca Corp Control of optical properties of materials with liquid crystals
IT946051B (it) 1970-12-04 1973-05-21 Hoffmann La Roche Cellula ottica
JPS5140289B1 (enrdf_load_stackoverflow) * 1971-01-23 1976-11-02
CH1206174A4 (fr) * 1973-09-07 1977-05-31 Seiko Instr & Electronics Montre-bracelet électronique
US4043636A (en) * 1974-12-23 1977-08-23 Intel Corporation Illumination-panel for liquid crystal display of similar device
CH589307A5 (enrdf_load_stackoverflow) * 1975-06-27 1977-06-30 Bbc Brown Boveri & Cie
DE2554226C3 (de) 1975-12-03 1985-07-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen Strahlungskollektor und -verdichter in Form einer fluoreszierenden Kunststoffplatte
AT351615B (de) * 1975-12-03 1979-08-10 Siemens Ag Anordnung zur passiven helligkeitsverstaerkung von ein- oder mehrfarbigen anzeigevor- richtungen
DE2619368A1 (de) 1976-04-30 1977-11-17 Siemens Ag Fluessigkristallanzeige mit einer fluoreszenzplatte

Also Published As

Publication number Publication date
ATA100278A (de) 1979-06-15
FR2380565A1 (fr) 1978-09-08
BE863989A (fr) 1978-05-29
CH608644A5 (enrdf_load_stackoverflow) 1979-01-15
IT1092685B (it) 1985-07-12
FR2380565B1 (enrdf_load_stackoverflow) 1982-11-19
SE7801775L (sv) 1978-08-15
DE2706355C2 (de) 1979-04-05
IT7820210A0 (it) 1978-02-13
JPS53101998A (en) 1978-09-05
AT354535B (de) 1979-01-10
NL7801666A (nl) 1978-08-17
DE2706355B1 (de) 1978-08-10
GB1585753A (en) 1981-03-11
US4240711A (en) 1980-12-23

Similar Documents

Publication Publication Date Title
US4142781A (en) Electro-optical display device with electro-optical light valves
US4470666A (en) Colored liquid crystal display
US4732456A (en) Scattering display for contrast enhancement including target
US4726662A (en) Display including a prismatic lens system or a prismatic reflective system
US4596445A (en) Colored encapsulated liquid crystal apparatus using enhanced scattering
US5570210A (en) Liquid crystal display device with directional backlight and image production capability in the light scattering mode
US4264147A (en) Indicator device having electro-optical light valve unit
US4991940A (en) Gain reflector-liquid crystal display
US4548473A (en) Optical filter
US5076668A (en) Gain reflector-liquid crystal display
US4150876A (en) Light amplification device
DE2554226C3 (de) Strahlungskollektor und -verdichter in Form einer fluoreszierenden Kunststoffplatte
CA1106950A (en) Optical display arrangements
US6528937B1 (en) Display device including a light guide with movable element for emitting visible light when excited by ultraviolet radiation
EP0070322B1 (en) Liquid crystal display unit
WO1997019385A1 (en) Illumination system, linear polarizer for such an illumination system and display device comprising such an illumination system
RU2139559C1 (ru) Жидкокристаллический дисплей
US5103326A (en) Fluorescent colored encapsulated liquid crystal apparatus using enhanced scattering
US4111534A (en) Optical display device
CA1325469C (en) Enhanced backscattering and light transmission in a quest host display
CA1106951A (en) Optical display arrangements
US4394068A (en) Fluorescently activated display device with improved sensitivity
CA1106479A (en) Optical displays
US4243302A (en) Optical display device
US3972590A (en) Display device which changes color and method

Legal Events

Date Code Title Description
MKEX Expiry